What if there is no subscript for a element?

How long does it take for a police radar beam to travel to a car and back if the car is 0.245 mi from the radar unit?

What constant horizontal force is required to drag a 5 kg block along a horizontal surface with an acceleration of 1 ms-2 if the coefficient of sliding friction between the block and the surface is 0.5.

What is the reason nemo is called shark bait?

An acorn falls from a tree. How fast is the acorn moving after 1.2 seconds? A. 9.8 m/s B. 1.2 m/s C. 8.2 m/s D. 11.8 m/s

Which is the best description of a molecule? O Amolecule of an element is composed of at least two types of atoms. O Amolecule of a compound is composed of only one type of atom. O Amolecule of a compound is composed of at least two types of atoms.

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 40 m/s. The arriving plane has a length of 40 m.

How much time does it take for a car travelling at 5m/s in 21 metres

Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?

The isotope of an atom contains 40 protons and 51 neutrons suddenly has two neutrons added to it. What isotope is created? 1. Antimony-39 2. Zirconium-93 3. Antimony-53 4. Zirconium-53

Choose all that apply. Which are phases of matter? Steam, Plasma, Solid, Liquid, Gas, Water